Alert archive / South Carolina / Flash Flood Warnings in 2003
Flash Flood Warning 83, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 21, 2003, 2:25 AM EDT for Pickens County, South Carolina. It was in force for 110 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 21, 2003, 2:25 AM EDT (06:25 UTC)
- Expired
- Jul 21, 2003, 4:15 AM EDT
- In force
- 110 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Pickens County, SC
The radar
The Greer radar (KGSP), 46 km from the middle of the area, began a volume at 06:26 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.4 hours before the alert went out and 235 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2780 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1108 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KGSP 210628 FFWGSP SCC077-210815- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 225 AM EDT MON JUL 21 2003 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN PICKENS COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 415 AM EDT * AT 220 AM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FALLING OVER EXTREME NORTHEAST PICKENS COUNTY. RADAR ESTIMATES THAT AS MUCH AS 4 INCHES OF RAIN HAS FALLEN IN THE NORTHEAST PART OF THE COUNTY...FROM PUMPKINTOWN TO DACUSVILLE. WITH SLOW MOVING...STRONG THUNDERSTORMS STILL IN THE AREA...ANOTHER INCH OR TWO OF RAIN COULD FALL. * THE HEAVIEST RAIN HAS FALLEN ALONG THE OOLENOY RIVER. FLOODING WILL BE POSSIBLE ALONG MANY OF THE STREAMS THAT FEED INTO THE RIVER AND ALONG HIGHWAY 288. FARTHER TO THE SOUTHEAST...CARPENTER CREEK AND SHOAL CREEK HAVE ALSO SEEN VERY HEAVY RAIN IN THEIR BASINS...AND FLOODING ALONG THESE CREEKS WILL BE POSSIBLE AS WELL. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. $$ MCAVOY
1 follow-up statement
000 WGUS72 KGSP 210728 FFSGSP SCC077-210815- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 326 AM EDT MON JUL 21 2003 ...A FLASH FLOOD WARNING CONTINUES UNTIL 415 AM EDT FOR NORTHEASTERN PICKENS COUNTY... AS OF 320 AM EDT...NO FLOODING HAD BEEN REPORTED IN NORTHEASTERN PICKENS COUNTY. RADAR INDICATED AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN BETWEEN PICKENS AND DACUSVILLE. AS THESE STORMS MOVE THROUGH DACUSVILLE...THEY WILL DROP BETWEEN A HALF INCH TO AN INCH OF RAIN IN AN AREA WHICH HAS ALREADY SEEN HEAVY RAINFALL. THOUGH NO FLOODING HAS YET BEEN REPORTED...IT IS LIKELY THAT SOME STREAMS IN THE NORTHEAST PART OF THE COUNTY ARE OUT OF THEIR BANKS. THE LOWER REACHES OF THE OOLENOY RIVER...AND ITS TRIBUTARIES...WILL LIKELY CONTINUE TO RISE FOR THE NEXT HOUR. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. USE CAUTION IN OR NEAR ANY SMALL CREEK TONIGHT...AND AVOID ROUTES THAT YOU KNOW ARE FLOOD PRONE. $$ MCAVOY
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this flash flood warning went out at Jul 20, 10:21 PM EDT, 4 hours 4 minutes earlier.
Area forecast discussion, Jul 20, 10:21 PM EDT, 4 hours 4 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1021 PM EDT SUN JUL 20 2003 ISOLATED CONVECTION PERISTS...AND WILL EXTEND PAST MIDNIGHT. DEW POINTS WAY UP TONIGHT...SO RAISED MIN TEMPS...THROUGH MAYBE NOT ENOUGH IN MOUNTAINS. FOG STILL APPEARS LIKELY WITH LIGHT WIND AND MOSTLY CLEAR SKY. FCSTID = 7 GSP 72 89 70 86 / 20 30 50 60 AND 72 89 69 87 / 30 30 50 60 CLT 71 90 71 85 / 20 30 40 60 HKY 69 88 69 83 / 20 30 40 60 AVL 65 83 65 81 / 20 40 50 60 .GSP... GA...NONE. NC...NONE. SC...NONE. O7
Hazardous weather outlook, Jul 20, 6:14 AM EDT, 20 hours 11 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>013- 019-201200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 614 AM EDT SUN JUL 20 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE...TODAY AREAS OF DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN A QUARTER MILE ACROSS MUCH OF THE NORTH CAROLINA PORTION OF THE FORECAST AREA THIS MORNING...WHILE THE DENSE FOG WILL BE MORE PATCHY IN THE UPSTATE AND EXTREME NORTHEAST GEORGIA. THE FOG WILL BURN OFF STEADILY THROUGH MID MORNING. LATER THIS AFTERNOON...ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED AS A RESULT OF DAYTIME HEATING. ANY THUNDERSTORM TODAY HAS THE POTENTIAL TO BECOME STRONG...WITH WIND GUSTS TO AROUND 40 MPH. .DAYS TWO THROUGH SEVEN... SCATTERED SHOWERS AND THUNDERSTORMS ARE ANTICIPATED MONDAY. STORMS ACROSS THE MOUNTAINS COULD BE SEVERE...AND AN ISOLATED SEVERE THUNDERSTORM COULD AFFECT THE FOOTHILLS AND PIEDMONT. A STRONG COLD FRONT WILL DROP INTO THE SOUTHEAST STATES MONDAY NIGHT AND TUESDAY...BRINGING WIDESPREAD COVERAGE OF SHOWERS AND THUNDERSTORMS. ANY LOCATION IN THE FORECAST AREA COULD SEE SEVERE WEATHER ON TUESDAY. THE CHANCE OF SHOWERS AND THUNDERSTORMS WILL LINGER THROUGH THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY. BURRUS
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 1:15 AM EDT | Severe Thunderstorm Warning | GSP | Pickens | 45 min |
| Jul 21, 5:19 PM EDT | Severe Thunderstorm Warning | GSP | Laurens, Spartanburg | 41 min |
| Jul 21, 5:20 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 55 min |
| Jul 21, 6:00 PM EDT | Severe Thunderstorm Warning | GSP | Union | 60 min |
| Jul 21, 7:04 PM EDT | Severe Thunderstorm Warning | GSP | Greenville | 41 min |
| Jul 21, 7:06 PM EDT | Severe Thunderstorm Warning | GSP | York | 39 min |
| Jul 21, 7:33 PM EDT | Severe Thunderstorm Warning | GSP | Pickens | 42 min |
| Jul 21, 7:46 PM EDT | Severe Thunderstorm Warning | GSP | York | 29 min |
Nearby
Flash Flood Warnings in South Carolina, 2003Every flash flood warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.